CN103487858B - A kind of combined type speculum and preparation method thereof - Google Patents
A kind of combined type speculum and preparation method thereof Download PDFInfo
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- CN103487858B CN103487858B CN201310429941.2A CN201310429941A CN103487858B CN 103487858 B CN103487858 B CN 103487858B CN 201310429941 A CN201310429941 A CN 201310429941A CN 103487858 B CN103487858 B CN 103487858B
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Abstract
The invention relates to a kind of combined type speculum and preparation method thereof, belong to solar energy heat utilization field, described combined type speculum is used for assembling solar energy, it comprises: reflecting layer, back-panel glass layer and be adhered to described reflecting layer and described back-panel glass layer between film layers, described combined type speculum also comprises electric-heating assembly, it comprises: some heating wire, are laid in described film layers; Input busbar, its output is connected with the input of described some heating wire; Output busbar, its input is connected with the output of described some heating wire; Input lead, its output is connected with the input of described input busbar, and its input leans out described reflecting layer, back-panel glass layer and film layers; And output lead, its input is connected with the output of described output busbar, and its output leans out described reflecting layer, back-panel glass layer and film layers. This combined type speculum has electric heating function, long service life.
Description
Technical field
The present invention relates to a kind of combined type speculum and preparation method thereof, belong to solar energy heat utilization field,Particularly relate to a kind of for assembling combined type speculum of solar energy and preparation method thereof.
Background technology
Solar energy is the emittance of sunshine, because sunshine relatively disperses, and in the time utilizing solar energy,Need first by speculum by solar light focusing to vacuum heat collection pipe, then to solar heat add in order toWith.
At present, mostly be combined type speculum for assembling the speculum of solar energy, it comprises ultra-thin reflectionLayer, film layers and accurate back-panel glass layer, described reflecting layer is used for reflecting gathering sunshine, the described back of the bodyThe face type of glass sheet layer is identical with the design surface type of described speculum, is used to described reflecting layer to provide and props upSupport, makes it form design surface type, described film layers be positioned at described reflecting layer and described back-panel glass layer itBetween, for by described reflecting layer and described backsheet layer by bonding just together with, form complete compoundFormula speculum.
Speculum generally uses out of doors, and the low ice and snow of China's northern territory winter temperature is many, and ice and snow condensesCannot remove in time in mirror surface, not only affect light and heat collection, when serious, also can press the speculum that collapses,Have a strong impact on the service life of speculum.
Summary of the invention
On the one hand, the invention provides a kind of combined type speculum, for assembling solar energy, reflecting layer,Back-panel glass layer and be adhered to described reflecting layer and described back-panel glass layer between film layers, described multipleBox-like speculum also comprises electric-heating assembly, and it comprises: some heating wire, are laid in described film layersIn; Input busbar, its output is connected with the input of described some heating wire; Output convergesStream bar, its input is connected with the output of described some heating wire; Input lead, its outputEnd is connected with the input of described input busbar, and its input leans out described reflecting layer, back-panel glassLayer and film layers; And output lead, its input is connected with the output of described output busbar,Its output leans out described reflecting layer, back-panel glass layer and film layers.
Preferably, described combined type speculum is slot light collection solar electrical energy generation speculum.
Preferably, described combined type speculum, comprises electric-heating assembly described at least two groups, describedAt least two group electric-heating assembly parallel connections.
Preferably, described heating wire, its diameter is 0.1-0.2mm.
Preferably, described heating wire is tungsten heating wire.
Preferably, described film layers, is polyurethane pellicle, and its thickness is 0.3-0.8mm.
Preferably, described reflecting layer, thickness is 0.5-1.5mm.
Preferably, described back-panel glass layer, its thickness is 2-6mm.
On the other hand, the invention provides a kind of preparation method of combined type speculum, described method bagDraw together: prepare respectively reflecting layer, film layers and back-panel glass layer, laminated described reflecting layer, film layers andBack-panel glass layer, the preparation method of described film layers, comprising: according to the design size cutting of speculumFilm; According to consumption and the layout of heat demand design heating wire, input busbar and output busbar;According to the design size cutting film of speculum; According to heat demand design heating wire, input busbar,Consumption and the layout of output busbar, input lead and output lead; Described in laying on described filmHeating wire, input busbar, output busbar, input lead and output lead; Described input is ledLine and described output lead lean out described film, obtain film layers.
Preferably, described laminated described reflecting layer, film layers and back-panel glass layer, specifically comprise: willDescribed film layers lay, to described back-panel glass layer, visits described input lead and described output leadGo out described back-panel glass layer, then reflecting layer described in lay in described film layers, described in stackedVacuum bag is together put in back-panel glass layer, film layers and reflecting layer, vacuumize, 125-130 DEG C,Under 1-1.5Mpa, react 0.5-1.5h, remove described vacuum bag, obtain combined type speculum.
By technique scheme, combined type speculum provided by the invention at least has following advantages:
By in film layers, heating wire being set, by wire, described heating wire is connected with extraneous power supply,Realizing in the situation that not affecting combined type speculum and normally converging sunshine, is the reflecting layer of speculumCarry out electrical heating, thereby effectively remove accumulated snow or the frost on surface, combined type speculum reflecting layer, keep awayExempt from that the light gathering efficiency that causes due to reflecting layer surface accumulated snow or the reasons such as frost of freezing is low, speculum evenThe phenomenon such as collapse under pressure, has extended service life of combined type speculum.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, of the present invention in order to better understandTechnological means, and can being implemented according to the content of description, below with preferred embodiment of the present inventionAnd coordinate accompanying drawing to be described in detail as follows.
Brief description of the drawings
Fig. 1 is the combined type mirror structure decomposing schematic representation that a preferred embodiment of the present invention provides;
Fig. 2 is electric-heating assembly and the film layers of the combined type speculum that provides of a preferred embodiment of the present inventionStructural representation;
Fig. 3 is the combined type speculum electrical heating operation chart that a preferred embodiment of the present invention provides;
Fig. 4 is electric-heating assembly and the film of the combined type speculum that provides of another preferred embodiment of the present inventionLayer structural representation;
Detailed description of the invention
Technological means and the merit taked for reaching predetermined goal of the invention for further setting forth the present inventionEffect, below in conjunction with accompanying drawing and preferred embodiment, to the combined type speculum proposing according to the present invention, it is concreteEmbodiment, structure, feature and effect thereof, be described in detail as follows. In following explanation, differentThe not necessarily same embodiment that " embodiment " or " embodiment " refer to. In addition one or more enforcement,Special characteristic, structure or feature in example can be combined by any suitable form.
Embodiment 1
Referring to Fig. 1 and Fig. 2, the present embodiment provides a kind of combined type speculum 10, for reflection tooSunlight, assembles solar energy, and combined type speculum 10 comprises reflecting layer 1, back-panel glass layer 2, filmLayer 3 and electric-heating assembly 4. Reflecting layer 1, for reflected sunlight, arrives together sunlight, reflectionLayer 1, by the high material of reflectivity, is made the present embodiment according to the design surface type of combined type speculum 10The preferred ultra-thin silver mirror in middle reflecting layer 1; Back-panel glass layer 2 is according to the design surface of described combined type speculumType is manufactured, and its thickness is thicker, for supporting reflex layer 1, makes reflecting layer 1 keep design surface type; FilmLayer 3 is adhered to reflecting layer 1 and back-panel glass layer 2, and film layers 3 is selected the PUR of good weatherability; GinsengSee Fig. 2, electric-heating assembly 4 comprises some heating wire 41, input busbar 421, output busbar422, input lead 431 and output lead 432, the quantity of heating wire 41 is according to concrete heating powerLocation of requirement, described some heating wire 41, according to heating power demand scattered distribution, are arranged at glueIn lamella 3, for ensureing that reflecting layer is heated evenly, preferably described some heating wire 41 are dispersedIn film layers 3; Busbar, for the termination of each heating wire of same one end is linked together, makes instituteThe some heating wire parallel connections of stating, wherein input the output of busbar 421 and some described electricityThe input of heated filament connects, the input of output busbar 422 and some described heating wire defeatedGoing out end connects; The output of input lead 431 is connected with the input of input busbar 421, inputThe input of wire 431 leans out reflecting layer 1, back-panel glass layer 2 and film layers 3, for electric with the external worldThe output in source connects; The input of output lead 432 is connected with the output of output busbar 422,The output of output lead 432 leans out reflecting layer 1, back-panel glass layer 2 and film layers 3, for instituteThe input of stating extraneous power supply connects.
Referring to Fig. 1, combined type speculum 10 is fixed to Jing Changzhong by stuck-module 20, referring to Fig. 3,In the time running into ice and snow weather, by the input lead of described combined type speculum 431 and extraneous power supplyOutput connects, and its output lead 432 is connected with the input of described extraneous power supply, makes described compoundThe electric-heating assembly of formula speculum and extraneous power supply form closed loop, and the electric current that extraneous power supply provides is logicalCross its output and flow into input lead 431, flow into the defeated of input busbar 421 via input lead 431Enter end, branch to heating wire in parallel 41 by busbar 421, produce heat by heating wire 41,Melt the ice and snow covering on reflecting layer 1; Flow through heating wire 41 electric current output busbar 422 convergeCollection, via the input that is back to extraneous power supply of output lead 432.
The combined type speculum that the embodiment of the present invention provides, by heating wire being set in film layers, passes throughWire is connected described heating wire with extraneous power supply, realize and normally converging not affecting combined type speculumIn the situation of sunshine, for carrying out electrical heating in the reflecting layer of speculum, thereby effectively remove combined typeAccumulated snow or the frost on surface, speculum reflecting layer, avoided due to reflecting layer surface accumulated snow or the frost etc. that freezesLight gathering efficiency that reason causes is low, the speculum phenomenon such as collapse under pressure even, extended combined type speculumService life.
Preferably, described combined type speculum is slot light collection solar electrical energy generation speculum, described defeatedEnter wire 431 and be connected with the output of temperature controller, the output of described output lead 432 and temperature controllerInput connect, described combined type speculum opens or cuts out by described temperature controller control.
Slot light collection solar electrical energy generation is larger with mirror mirror area, and required mirror scene is long-pending wide, thereforeGenerally be distributed in hard to get to field, under this environment, be not only prone to the bad weathers such as sleet,Also be not easy to find in time and clear up minute surface accumulated snow, frost etc., heating component and temperature control in the present embodimentDevice connects, and can pass through temperature controller preset temperature parameter, controls the heating starting of electric-heating assembly, realizesThe low temperature automatic de-icing that snows, is particularly useful for the extensive Jing Chang that environment is severe, area is wide. .
Embodiment 2
Referring to Fig. 4, the present embodiment provides a kind of combined type speculum, compared with above-described embodiment, and instituteState combined type speculum, comprise two groups of electric-heating assemblies 4, two groups of described electric-heating assembly 4 parallel connections, referring toFig. 4, in the present embodiment, two of combined type speculum groups of electric-heating assemblies 4 are positioned at described combined type speculumDiverse location, taking the vertical center line of combined type speculum as boundary, first group of electric-heating assembly 4 is positioned at multipleThe left side of box-like speculum, second group of electric-heating assembly 4 is positioned at the right-hand part 4 of combined type speculum. TheOne group of electric-heating assembly 4, its input lead 431 is connected with the output of the first temperature controller, its output lead432 are connected with the input of this temperature controller, and this electric-heating assembly is by the first temperature controller control; Second group of electricityHot assembly 4 its input leads 431 are connected with the output of the second temperature controller, its output lead 432 withThe input of this temperature controller connects, and this electric-heating assembly is by the second temperature controller control. At other embodimentIn, the quantity of electric-heating assembly 4 can be also more than two, can be according to the size of speculum andConcrete use need to arrange electric-heating assembly, and in each electric-heating assembly, the quantity of each parts, model and layout canWith identical also can be different.
Because slot light collection solar electrical energy generation is larger with mirror mirror area, the mirror field model that it is crossed overEnclose extensivelyr, therefore may occur that mirror portion region exists accumulated snow, frost, subregion is long-pendingThe phenomenon of snow, frost, arranges electric-heating assembly by subregion on described combined type speculum, respectivelyControl the electric-heating assembly in each region, can remove more targetedly the ice and snow frost on reflecting layer, moreAdd energy-conserving and environment-protective.
Preferably, in the present embodiment, the diameter of heating wire 41 used is 0.1-0.2mm, heating wire 41Diameter when meticulous at easy fracture of wire of film cloth silk stage, thereby cause electric-heating assembly normally to work;The diameter of heating wire 41 is crossed when thick, can take more film space, causes the film layers 3 cannot be firmBonding reflecting layer 1 and back-panel glass layer 2; When the diameter of heating wire 41 is during at 0.1-0.2mm, bothCan ensure permanently effective work, can ensure that again film layers has good cementability.
Preferably, the preferred tungsten heating wire of heating wire 41. Due to the heating wire inconvenience being dispersed in film layersIn maintenance, and slot light collection solar electrical energy generation with service life of speculum generally more than 10 years, itsEnvironment for use mostly is again the outdoor Jing Chang under extreme natural environment, therefore needs heating wire to have enoughStability and corrosion resistance, tungsten heating wire plasticity is better, and in the time of applied at elevated temperature, its structure is difficult for changingBecome, corrosion resistance is strong, is therefore particularly useful for slot light collection solar electrical energy generation speculum.
Preferably, film layers 3 is polyurethane pellicle, and its thickness is 0.3-0.8mm, polyurethane pellicle toolHave good weatherability, in the time that its thickness is 0.3-0.8mm, not only can embedding heating wire 41 can alsoEnough meet general reflecting layer 1 and the bonding needed adhesion of back-panel glass layer 2. Preferably, reflectionLayer 1 thickness is 0.5-1.5mm, and the ultra-thin silver mirror of 0.5-1.5mm not only has good reflecting properties,And have certain flexiblely, be convenient to finely tune according to the shape of back-panel glass the face in its reflecting layer of makingType, the thickness of back-panel glass layer 2 is 2-6mm, the glass plate that 2-6mm is thick has enough enabling capabilities,Can ensure that speculum meets design surface type as much as possible.
Embodiment 3
The present embodiment provides a kind of preparation method of combined type speculum, and described method comprises:
Step 1: prepare respectively reflecting layer, film layers and back-panel glass layer, specifically comprise:
1a: preparation reflecting layer:
According to the design surface type of combined type speculum, material high reflectivity is made to reflecting layer, this realityExecute the preferred ultra-thin silver mirror in reflecting layer in example, the preferred 0.5-1.5mm of thickness of ultra-thin silver mirror, the tool in reflecting layerPreparation is selected the preparation method in general combined type speculum reflecting layer;
1b: preparation film layers:
Film layers 3 is selected the PUR of good weatherability, optimization polyurethane film, its concrete preparation methodComprise:
1b1: according to the design size cutting film of combined type speculum, in the present embodiment, film is preferably poly-Ammonia ester gum sheet, the preferred 0.3-0.8mm of its thickness;
1b2: according to heating power Demand Design heating wire, input busbar, output busbar, inputThe consumption of wire and output lead and layout:
In the present embodiment, be designed with altogether one group of electric-heating assembly, the heating wire in this electric-heating assembly evenly dividesBe dispersed in the film layers of whole speculum, adopt altogether two busbars and two with wire, i.e. input is confluxedBar, output busbar, input lead and output lead, input busbar is along the input of described heating wireEnd position arranges, and output busbar arranges along the output position of each described heating wire, makesEach heating wire parallel connection, the output of input lead is connected with the input of input busbar, output leadInput with output busbar output be connected;
1b3: lay described heating wire, input busbar, output busbar, input on described filmWire and output lead, specifically comprise:
By cloth silk machine cloth silk on described film:
According to heating wire quantity and the layout of design, regulate cloth silk spacing and other cloth silks of cloth silk machineParameter; The film cutting is placed on the cylinder of cloth silk machine, adjusts the curvature of heating wire, openBeginning cloth silk, draws the joint at heating wire two ends after cloth silk finishes;
On described film, lay described input busbar and described output busbar, by described heating wireOne end be connected with described input busbar, the other end is connected with described output busbar, is specially:
The film of good cloth silk is lain on operating desk, will input busbar and output remittance with conductive silver pasteStream bar sticks on the predeterminated position on film, makes one end of heating wire and described input busbar bonding,The other end and described output busbar are bonding;
The input of described input busbar is connected to defeated by described output busbar with input leadGoing out end is connected with output lead;
Laying and the company of heating wire, input busbar, output busbar, input lead and output leadConnecing order can adjust as required;
1b4: described input lead and described output lead are leant out to described film, obtain film layers.
1c: preparation back-panel glass layer: back-panel glass layer 2 is according to the design surface type of described combined type speculumManufacture, its thickness of glass is thicker, and preferably 2-6mm, for supporting reflex layer 1, keeps reflecting layer 1Design surface type; The concrete preparation method of back-panel glass layer selects general combined type speculum back-panel glass layerPreparation method;
Step 2: bonding described reflecting layer, film layers and back-panel glass layer, in the present embodiment, this stepConcrete operations are as follows:
Described film layers lay, to described back-panel glass layer, is made to described input lead and described outputWire leans out described back-panel glass layer;
Then reflecting layer described in lay in described film layers;
Vacuum bag is together put into in stacked described back-panel glass layer, film layers and reflecting layer, take out trueEmpty;
Then gas is together put into together with described vacuum bag in described back-panel glass layer, film layers and reflecting layerIn pressure still, under 125-130 DEG C, 1.12Mpa, react 1h;
Take out, put to room temperature and remove described vacuum bag, obtain combined type speculum.
Owing to being furnished with heating wire in film, in step 2, if reaction temperature is too high, reaction time mistakeLong, easily cause heating wire migration,, even there is electricity thereby cause heating inequality in off-design positionThe phenomenons such as heated filament partial burnt-out opens circuit; If the too low reaction time of heating-up temperature is too short, film cannot reachOptimum viscosity, causes reflecting layer and back-panel glass layer bonding not firm, has shortened the service life of speculum;Under 125-130 DEG C, 1-1.5Mpa, reaction 0.5-1.5h, heating wire can keep design form, andFilm has good caking property.
The preparation method of the combined type speculum that the embodiment of the present invention provides, produces in film layers settingHave the combined type speculum of heating wire, the described heating wire of this combined type speculum is by wire and the external worldPower supply connects, realizes in the situation that not affecting combined type speculum and normally converging sunshine, and be reflectionLayer carries out electrical heating, thereby effectively removes accumulated snow or the frost on surface, combined type speculum reflecting layer,Avoid that the light gathering efficiency that causes due to reflecting layer surface accumulated snow or the reasons such as frost of freezing is low, even reflectionThe phenomenons such as mirror collapses under pressure, have extended service life of combined type speculum; The embodiment of the present invention providesMethod is simple to operate, and suitable batchization is produced, and can automation mechanized operation, high, the steady quality of efficiency.
Preferably, described combined type speculum is slot light collection solar electrical energy generation speculum. Slot type is poly-Light solar electrical energy generation is larger with mirror mirror area, and required mirror scene is long-pending wide, is therefore generally distributed inHard to get to field, under this environment, is not only prone to the bad weathers such as sleet, be also not easy to andShi Faxian and cleaning minute surface accumulated snow, frost etc., therefore especially need automatically to remove accumulated snow, frostSpeculum.
Embodiment 4
The present embodiment provides a kind of preparation method of combined type speculum, the method and embodiment 3 phasesWith, unique different be consumption and the layout of heating wire and busbar, be specially:
1b2 ': according to the use of heating power Demand Design heating wire, input busbar and output busbarAmount and layout:
In the present embodiment, be designed with altogether two groups of electric-heating assemblies, referring to Fig. 4, with erecting of combined type speculumStraight center line is boundary, and first group of electric-heating assembly 4 is positioned at the left side of combined type speculum, second group of electricityHot assembly 4 is positioned at the right-hand part 4 of combined type speculum. The method for designing of two electric-heating assemblies 4 is all with realThe method for designing of executing electric-heating assembly 4 in example 3 is identical, in other embodiments, and the number of electric-heating assembly 4Amount can be also more than two, can electricity need to be set according to the size of speculum and concrete useHot assembly, in each electric-heating assembly, the quantity of each parts, model and layout can be the same or different;
Because slot light collection solar electrical energy generation is larger with mirror mirror area, the mirror field model that it is crossed overEnclosing extensivelyr, therefore may occur, there is accumulated snow, frost in mirror portion region, and subregion does not haveThe phenomenon of accumulated snow, frost, arranges electric-heating assembly by subregion on described combined type speculum, pointDo not control the electric-heating assembly in each region, can remove more targetedly the ice and snow frost on speculum,Energy-conserving and environment-protective more.
The above, be only preferred embodiment of the present invention, not the present invention made to any formOn restriction, although the present invention disclose as above with preferred embodiment, but not in order to limit thisBright, any those skilled in the art, are not departing within the scope of technical solution of the present invention, when can profitMake a little change or be modified to the equivalent embodiment of equivalent variations with the technology contents of above-mentioned announcement, butEvery content that does not depart from technical solution of the present invention, foundation technical spirit of the present invention is to above embodimentAny simple modification, equivalent variations and the modification done, all still belong to the scope of technical solution of the present inventionIn.
Claims (8)
1. a combined type speculum, for assembling solar energy, it comprises: reflecting layer, back-panel glassLayer and be adhered to the film layers between described reflecting layer and described back-panel glass layer, it is characterized in that instituteState combined type speculum and also comprise electric-heating assembly, it comprises:
Some heating wire, are laid in described film layers;
Input busbar, its output is connected with the input of described some heating wire;
Output busbar, its input is connected with the output of described some heating wire;
Input lead, its output is connected with the input of described input busbar, and its input leans outDescribed reflecting layer, back-panel glass layer and film layers; And
Output lead, its input is connected with the output of described output busbar, and its output leans outDescribed reflecting layer, back-panel glass layer and film layers;
Wherein, described heating wire, its diameter is 0.1-0.2mm; Described film layers is polyurethane pellicle,Its thickness is 0.3-0.8mm.
2. combined type speculum according to claim 1, is characterized in that: described combined type is anti-Penetrating mirror is slot light collection solar electrical energy generation speculum.
3. combined type speculum according to claim 2, is characterized in that:
Comprise electric-heating assembly described at least two groups, at least two described group electric-heating assembly parallel connections.
4. according to the combined type speculum described in claim 1-3 any one, it is characterized in that: described inHeating wire is tungsten heating wire.
5. combined type speculum according to claim 1, is characterized in that:
Described reflecting layer, thickness is 0.5-1.5mm.
6. combined type speculum according to claim 1, is characterized in that:
Described back-panel glass layer, its thickness is 2-6mm.
7. a preparation method for combined type speculum, described method comprises: prepare respectively reflecting layer,Film layers and back-panel glass layer, laminated described reflecting layer, film layers and back-panel glass layer, its feature existsIn, the preparation method of described film layers, comprising:
According to the design size cutting film of speculum;
According to heat demand design heating wire, input busbar, output busbar, input lead and outputThe consumption of wire and layout, wherein, described heating wire, its diameter is 0.1-0.2mm;
On described film, lay described heating wire, input busbar, output busbar, input leadAnd output lead;
Described input lead and described output lead are leant out to described film, obtain film layers; Wherein,Described film layers is polyurethane pellicle, and its thickness is 0.3-0.8mm.
8. the preparation method of combined type speculum according to claim 7, is characterized in that, instituteState laminated described reflecting layer, film layers and back-panel glass layer, specifically comprise:
Described film layers lay, to described back-panel glass layer, is made to described input lead and described outputWire leans out described back-panel glass layer, and then reflecting layer described in lay in described film layers, by stackedDescribed back-panel glass layer, film layers and reflecting layer together put into vacuum bag, vacuumize,Under 125-130 DEG C, 1-1.5Mpa, react 0.5-1.5h, remove described vacuum bag, obtain combined type anti-Penetrate mirror.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940317A (en) * | 1988-08-01 | 1990-07-10 | Ronnie Reuben | Electric heating device for mirror |
| WO1992019135A1 (en) * | 1991-05-08 | 1992-11-12 | Giocondo De Riz | An anti-condensation mirror to be utilized in high humidity level environments, particularly bathrooms |
| CN102460032A (en) * | 2009-04-06 | 2012-05-16 | 威萨尔德动力股份有限公司 | Solar mirror panels and their manufacture |
| CN203444129U (en) * | 2013-09-18 | 2014-02-19 | 中国建筑材料科学研究总院 | Composite reflector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7781705B2 (en) * | 2005-12-29 | 2010-08-24 | Exatec, Llc | Electrical connection to printed circuits on plastic panels |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940317A (en) * | 1988-08-01 | 1990-07-10 | Ronnie Reuben | Electric heating device for mirror |
| WO1992019135A1 (en) * | 1991-05-08 | 1992-11-12 | Giocondo De Riz | An anti-condensation mirror to be utilized in high humidity level environments, particularly bathrooms |
| CN102460032A (en) * | 2009-04-06 | 2012-05-16 | 威萨尔德动力股份有限公司 | Solar mirror panels and their manufacture |
| CN203444129U (en) * | 2013-09-18 | 2014-02-19 | 中国建筑材料科学研究总院 | Composite reflector |
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